/Engine/Source/Runtime/SignalProcessing/Public/DSP/FileEncoder.h
Constructor. Takes an absolute file path and metadata about the audio in question. Immediately allocates all data necessary.
FAudioFileWriter ( const [FString](API\Runtime\Core\Containers\FString) & InPath, const [FSoundQualityInfo](API\Developer\TargetPlatform\Interfaces\FSoundQualityInfo) & InInfo )